Home / 8,199.09-12,298.53-2,652.31

Finding the Fourth Proportional to 8,199.09, 12,298.53 and 2,652.31

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Solution

The fourth proportional to 8,199.09, 12,298.53 and 2,652.31 is: 3,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.09 : 12,298.53 = 2,652.31 : x
  2. Step 2: Convert to fraction form
    8,199.09/12,298.53 = 2,652.31/x
  3. Step 3: Cross multiply
    8,199.09x = 12,298.53 × 2,652.31
  4. Step 4: Simplify right side
    8,199.09x = 32,619,539.42
  5. Step 5: Solve for x
    x = 32,619,539.42/8,199.09
  6. Step 6: Final answer
    x = 3,978.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.